Troubleshooting
Trouble
Sander will not start.
Motor stalls easily.
Abrasive disc separates from aluminum disc.
Abrasive belt will not track correctly.
Abrasive belt slips or stalls when pressure is applied.
Frequent replacement of abrasive belt or disc.
Probable Cause | Remedy | |
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Not connected to power source. | Connect to power source. | |
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| Determine reason for blown fuse/ | |
Branch circuit fuse is blown or the | tripped breaker (such as short circuit | |
or motor overload). Correct reason for | ||
circuit breaker is tripped. | ||
fault. Replace fuse/ reset circuit | ||
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| breaker. | |
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Voltage is too low. | Check power source for proper | |
voltage. | ||
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Switch is defective. | Replace switch. | |
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Motor failure. | Replace motor. | |
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Low voltage. | Check power source for proper | |
voltage and correct if necessary. | ||
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| Clean residual adhesive from | |
Improper bond. | aluminum disc, and | |
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Belt not centered on wheels. | Readjust tracking. See page 14. | |
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Belt stretched unevenly. | Replace abrasive belt. | |
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Belt is jointed improperly. | Check the belt for an irregular seam | |
or shape. Replace if needed. | ||
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Wheel is worn. | Replace affected wheel. | |
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| Check all the bearings for excessive | |
Worn bearings. | heat or loose shafts. Replace if | |
| necessary. | |
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Abrasive belt tension inadequate; | Replace spring. | |
spring in tension mechanism is worn. | ||
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Excessive pressure being applied to | Reduce pressure on abrasive belt | |
platen. | (and platen). | |
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Too much pressure being applied to | Allow the belt to do the cutting. | |
Excessive pressure only dulls the grit | ||
workpiece. | ||
and removes it from the cloth. | ||
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Full width of belt or disc not being | Stroke across abrasive belt using full | |
used. | width of belt surface. | |
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| Check with your abrasives supplier for | |
Incorrect abrasive material or grit | recommendations on the type and | |
size. | coarseness of the abrasive required | |
| for your particular workpieces. | |
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